/**************************************************************************
***    
*** Copyright (c) 1995-2000 Regents of the University of California,
***               Andrew E. Caldwell, Andrew B. Kahng and Igor L. Markov
*** Copyright (c) 2000-2002 Regents of the University of Michigan,
***               Saurabh N. Adya and Igor L. Markov
***
***  Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu
***  Original Affiliation:   UCLA, Computer Science Department,
***                          Los Angeles, CA 90095-1596 USA
***
***  Permission is hereby granted, free of charge, to any person obtaining 
***  a copy of this software and associated documentation files (the
***  "Software"), to deal in the Software without restriction, including
***  without limitation 
***  the rights to use, copy, modify, merge, publish, distribute, sublicense, 
***  and/or sell copies of the Software, and to permit persons to whom the 
***  Software is furnished to do so, subject to the following conditions:
***
***  The above copyright notice and this permission notice shall be included
***  in all copies or substantial portions of the Software.
***
*** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
*** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
*** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
*** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
*** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
*** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
*** THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***
***
***************************************************************************/






// Created:    Igor Markov,  VLSI CAD ABKGROUP UCLA  Sept 29, 1997
#ifdef _MSC_VER
#pragma warning (disable:4786)
#endif

#include "Stats/trivStats.h"
#include "Stats/rancor.h"
#include "plStats.h"
#include "placement.h"
 
PlCorrelation::PlCorrelation(const Placement& pl1, const Placement& pl2)
{
   unsigned size=pl1.getSize();
   abkfatal(size==pl2.getSize(),
        "Attempting to correlate placements of different sizes");
   
   vector<double> pl1x(size);
   vector<double> pl2x(size);
   vector<double> pl1y(size);
   vector<double> pl2y(size);
   for(unsigned k=0;k!=size;k++)
   {
      pl1x[k]=pl1[k].x;
      pl1y[k]=pl1[k].y;
      pl2x[k]=pl2[k].x;
      pl2y[k]=pl2[k].y;
   }
   _x=Correlation(pl1x,pl2x);
   _y=Correlation(pl1y,pl2y);
}

PlRankCorrelation::PlRankCorrelation(const Placement& pl1, const Placement& pl2)
{
   unsigned size=pl1.getSize();
   abkfatal(size==pl2.getSize(),
        "Attempting to correlate placements of different sizes");
        
   vector<double> pl1x(size);
   vector<double> pl2x(size);
   vector<double> pl1y(size);
   vector<double> pl2y(size);
   for(unsigned k=0;k!=size;k++)
   {
      pl1x[k]=pl1[k].x;
      pl1y[k]=pl1[k].y;
      pl2x[k]=pl2[k].x;
      pl2y[k]=pl2[k].y;
   }
   _x=RankCorrelation(pl1x,pl2x);
   _y=RankCorrelation(pl1y,pl2y);
}
